47 static void get_cpu_itimer(struct task_struct *tsk, unsigned int clock_id,  in get_cpu_itimer()  argument
51 	struct cpu_itimer *it = &tsk->signal->it[clock_id];  in get_cpu_itimer()
53 	spin_lock_irq(&tsk->sighand->siglock);  in get_cpu_itimer()
60 		thread_group_sample_cputime(tsk, samples);  in get_cpu_itimer()
70 	spin_unlock_irq(&tsk->sighand->siglock);  in get_cpu_itimer()
78 	struct task_struct *tsk = current;  in do_getitimer()  local
82 		spin_lock_irq(&tsk->sighand->siglock);  in do_getitimer()
83 		value->it_value = itimer_get_remtime(&tsk->signal->real_timer);  in do_getitimer()
85 			ktime_to_timespec64(tsk->signal->it_real_incr);  in do_getitimer()
86 		spin_unlock_irq(&tsk->sighand->siglock);  in do_getitimer()
89 		get_cpu_itimer(tsk, CPUCLOCK_VIRT, value);  in do_getitimer()
92 		get_cpu_itimer(tsk, CPUCLOCK_PROF, value);  in do_getitimer()
161 void posixtimer_rearm_itimer(struct task_struct *tsk)  in posixtimer_rearm_itimer()  argument
163 	struct hrtimer *tmr = &tsk->signal->real_timer;  in posixtimer_rearm_itimer()
165 	if (!hrtimer_is_queued(tmr) && tsk->signal->it_real_incr != 0) {  in posixtimer_rearm_itimer()
166 		hrtimer_forward_now(tmr, tsk->signal->it_real_incr);  in posixtimer_rearm_itimer()
187 static void set_cpu_itimer(struct task_struct *tsk, unsigned int clock_id,  in set_cpu_itimer()  argument
192 	struct cpu_itimer *it = &tsk->signal->it[clock_id];  in set_cpu_itimer()
197 	spin_lock_irq(&tsk->sighand->siglock);  in set_cpu_itimer()
204 		set_process_cpu_timer(tsk, clock_id, &nval, &oval);  in set_cpu_itimer()
211 	spin_unlock_irq(&tsk->sighand->siglock);  in set_cpu_itimer()
228 	struct task_struct *tsk = current;  in do_setitimer()  local
235 		spin_lock_irq(&tsk->sighand->siglock);  in do_setitimer()
236 		timer = &tsk->signal->real_timer;  in do_setitimer()
240 				= ktime_to_timespec64(tsk->signal->it_real_incr);  in do_setitimer()
244 			spin_unlock_irq(&tsk->sighand->siglock);  in do_setitimer()
250 			tsk->signal->it_real_incr =  in do_setitimer()
254 			tsk->signal->it_real_incr = 0;  in do_setitimer()
257 		spin_unlock_irq(&tsk->sighand->siglock);  in do_setitimer()
260 		set_cpu_itimer(tsk, CPUCLOCK_VIRT, value, ovalue);  in do_setitimer()
263 		set_cpu_itimer(tsk, CPUCLOCK_PROF, value, ovalue);  in do_setitimer()